/// <summary>
/// Reads the attributes of this parameter and returns true if it was a known attribute.
/// Otherwise returns the base method output
/// </summary>
/// <param name="reader"></param>
/// <param name="context"></param>
/// <returns></returns>
protected override bool ReadAnAttribute(System.Xml.XmlReader reader, XmlReaderContext context)
{
bool b = true;
if (this.IsAttributeMatch(XmlHelper.ParameterDirection, reader, context) && !string.IsNullOrEmpty(reader.Value))
{
this.Direction = XmlHelper.ParseEnum <System.Data.ParameterDirection>(reader.Value);
}
else if (this.IsAttributeMatch(XmlHelper.ParameterSize, reader, context) && !string.IsNullOrEmpty(reader.Value))
{
this.Size = int.Parse(reader.Value);
}
else if (this.IsAttributeMatch(XmlHelper.Name, reader, context))
{
this.Name = reader.Value;
}
else if (this.IsAttributeMatch(XmlHelper.DbType, reader, context) && !string.IsNullOrEmpty(reader.Value))
{
this.DbType = XmlHelper.ParseEnum <System.Data.DbType>(reader.Value);
}
else
{
b = base.ReadAnAttribute(reader, context);
}
return(b);
}
/// <summary>
/// Reads each inner Xml element and returns true if it was a known xml element
/// </summary>
/// <param name="reader"></param>
/// <param name="context"></param>
/// <returns></returns>
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
bool b;
if (this.IsElementMatch(XmlHelper.Into, reader, context) && !reader.IsEmptyElement && reader.Read())
{
this._into = (DBTable)this.ReadNextInnerClause(XmlHelper.Into, reader, context);
b = true;
}
else if (this.IsElementMatch(XmlHelper.Fields, reader, context))
{
this._fields = (DBSelectSet)context.Factory.Read(XmlHelper.Fields, reader, context);
b = true;
}
else if (this.IsElementMatch(XmlHelper.Values, reader, context))
{
this._values = (DBValueSet)context.Factory.Read(XmlHelper.Values, reader, context);
b = true;
}
else if (this.IsElementMatch(XmlHelper.Select, reader, context))
{
this._innerselect = (DBSelectQuery)context.Factory.Read(XmlHelper.Select, reader, context);
this._innerselect.IsInnerQuery = true;
b = true;
}
else
{
b = base.ReadAnInnerElement(reader, context);
}
return(b);
}
/// <summary>
/// Overrides the default implementation to read the table, assignments and where elements
/// </summary>
/// <param name="reader"></param>
/// <param name="context"></param>
/// <returns></returns>
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
bool b;
if (this.IsElementMatch(XmlHelper.From, reader, context))
{
this.TableSet = (DBTableSet)context.Factory.Read(XmlHelper.From, reader, context);
b = true;
}
else if (this.IsElementMatch(XmlHelper.Assignments, reader, context))
{
this.AssignSet = (DBAssignSet)context.Factory.Read(XmlHelper.Assignments, reader, context);
b = true;
}
else if (this.IsElementMatch(XmlHelper.Where, reader, context))
{
this.WhereSet = (DBFilterSet)context.Factory.Read(XmlHelper.Where, reader, context);
b = true;
}
else
{
b = base.ReadAnInnerElement(reader, context);
}
return(b);
}
protected override bool ReadAnAttribute(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (IsAttributeMatch(XmlHelper.UpdateAction, reader, context))
{
this.OnUpdateAction = XmlHelper.ParseEnum <DBFKAction>(reader.Value);
return(true);
}
else if (IsAttributeMatch(XmlHelper.DeleteAction, reader, context))
{
this.OnDeleteAction = XmlHelper.ParseEnum <DBFKAction>(reader.Value);
return(true);
}
else if (IsAttributeMatch(XmlHelper.ReferenceOwner, reader, context))
{
this.ReferenceOwner = reader.Value;
return(true);
}
else if (IsAttributeMatch(XmlHelper.ReferenceTable, reader, context))
{
this.ReferenceName = reader.Value;
return(true);
}
else
{
return(base.ReadAnAttribute(reader, context));
}
}
/// <summary>
/// Parses the XML data and generates the list of DBClauses from this.
/// </summary>
/// <param name="endElement"></param>
/// <param name="reader"></param>
/// <param name="context"></param>
/// <returns></returns>
public bool ReadXml(string endElement, System.Xml.XmlReader reader, XmlReaderContext context)
{
bool isEmpty = reader.IsEmptyElement && XmlHelper.IsElementMatch(endElement, reader, context);
do
{
if (reader.NodeType == System.Xml.XmlNodeType.Element)
{
DBClause c = context.Factory.Read(reader.LocalName, reader, context);
if (c != null)
{
this.Add(c);
}
if (isEmpty)
{
return(true);
}
}
if (reader.NodeType == System.Xml.XmlNodeType.EndElement && XmlHelper.IsElementMatch(endElement, reader, context))
{
break;
}
}while (reader.Read());
return(true);
}
/// <summary>
/// Reads any known iner elements
/// </summary>
/// <param name="reader"></param>
/// <param name="context"></param>
/// <returns></returns>
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (reader.NodeType == System.Xml.XmlNodeType.Text && reader.Value == XmlHelper.NullString)
{
this.Value = DBNull.Value;
}
else
{
if (reader.IsEmptyElement == false)
{
string end = reader.LocalName;
do
{
if (reader.NodeType == System.Xml.XmlNodeType.EndElement && this.IsElementMatch(end, reader, context))
{
break;
}
else if (reader.NodeType == System.Xml.XmlNodeType.Element && this.IsElementMatch(XmlHelper.ParameterValue, reader, context))
{
this.Value = XmlHelper.ReadNativeValue(reader, context);
}
}while (reader.Read());
}
}
return(base.ReadAnInnerElement(reader, context));
}
//
// Xml read methods
//
#region public bool ReadXml(System.Xml.XmlReader reader, XmlReaderContext context)
/// <summary>
/// Reads the element the reader is positioned at - initially reading the attributes then any inner elements
/// </summary>
/// <param name="reader"></param>
/// <param name="context"></param>
/// <returns></returns>
public bool ReadXml(System.Xml.XmlReader reader, XmlReaderContext context)
{
string name = reader.LocalName;
bool isEmpty = reader.IsEmptyElement;
if (reader.HasAttributes)
{
this.ReadAllAttributes(reader, context);
}
if (!isEmpty)
{
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element ||
reader.NodeType == XmlNodeType.Entity ||
reader.NodeType == XmlNodeType.CDATA ||
reader.NodeType == XmlNodeType.ProcessingInstruction ||
reader.NodeType == XmlNodeType.Text)
{
this.ReadAnInnerElement(reader, context);
}
if (reader.NodeType == XmlNodeType.EndElement && XmlHelper.IsElementMatch(name, reader, context))
{
break;
}
}
}
return(true);
}
protected override bool ReadAnAttribute(System.Xml.XmlReader reader, XmlReaderContext context)
{
bool b;
if (this.IsAttributeMatch(XmlHelper.Owner, reader, context))
{
this.TableOwner = reader.Value;
b = true;
}
else if (this.IsAttributeMatch(XmlHelper.Name, reader, context))
{
this.TableName = reader.Value;
b = true;
}
else if (this.IsAttributeMatch(XmlHelper.Temp, reader, context))
{
bool temp;
if (bool.TryParse(reader.Value, out temp))
{
this.Temporary = temp;
}
b = true;
}
else
{
b = base.ReadAnAttribute(reader, context);
}
return(b);
}
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
bool b = false;
if (this.IsElementMatch(XmlHelper.Compare, reader, context) &&
!reader.IsEmptyElement && reader.Read())
{
this.CompareTo = this.ReadNextInnerClause(XmlHelper.Compare, reader, context);
b = (this.CompareTo != null);
}
else if (this.IsElementMatch(XmlHelper.MinValue, reader, context) &&
!reader.IsEmptyElement && reader.Read())
{
this.MinValue = this.ReadNextInnerClause(XmlHelper.MinValue, reader, context);
b = (this.MinValue != null);
}
else if (this.IsElementMatch(XmlHelper.MaxValue, reader, context) &&
!reader.IsEmptyElement && reader.Read())
{
this.MaxValue = this.ReadNextInnerClause(XmlHelper.MaxValue, reader, context);
b = (this.MaxValue != null);
}
else
{
b = base.ReadAnInnerElement(reader, context);
}
return(b);
}
public bool ReadXml(string endElement, XmlReader reader, XmlReaderContext context)
{
bool isEmpty = reader.IsEmptyElement && XmlHelper.IsElementMatch(endElement, reader, context);
do
{
if (reader.NodeType == System.Xml.XmlNodeType.Element)
{
DBParam p = DBParam.Param();
this.Add(p);
if (isEmpty)
{
return(true);
}
}
if (reader.NodeType == System.Xml.XmlNodeType.EndElement && XmlHelper.IsElementMatch(endElement, reader, context))
{
break;
}
}while (reader.Read());
return(true);
}
protected override bool ReadAnAttribute(System.Xml.XmlReader reader, XmlReaderContext context)
{
bool b;
if (this.IsAttributeMatch(XmlHelper.Owner, reader, context))
{
this.Owner = reader.Value;
b = true;
}
else if (this.IsAttributeMatch(XmlHelper.Name, reader, context))
{
this.Name = reader.Value;
b = true;
}
else if (this.IsAttributeMatch(XmlHelper.Alias, reader, context))
{
this.Alias = reader.Value;
b = true;
}
else
{
b = base.ReadAnAttribute(reader, context);
}
return(b);
}
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (this.IsElementMatch(XmlHelper.ColumnList, reader, context))
{
this.ColumnOrders.ReadXml(XmlHelper.ColumnList, reader, context);
return(true);
}
return(base.ReadAnInnerElement(reader, context));
}
protected override bool ReadAnAttribute(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (this.IsAttributeMatch(XmlHelper.Name, reader, context))
{
this.SequenceName = reader.Value;
return(true);
}
else if (this.IsAttributeMatch(XmlHelper.Owner, reader, context))
{
this.Owner = reader.Value;
return(true);
}
else if (this.IsAttributeMatch(XmlHelper.SequenceMin, reader, context))
{
this.MinValue = int.Parse(reader.Value);
return(true);
}
else if (this.IsAttributeMatch(XmlHelper.SequenceMax, reader, context))
{
this.MaxValue = int.Parse(reader.Value);
return(true);
}
else if (this.IsAttributeMatch(XmlHelper.SequenceStart, reader, context))
{
this.StartWithValue = int.Parse(reader.Value);
return(true);
}
else if (this.IsAttributeMatch(XmlHelper.SequenceIncrement, reader, context))
{
this.IncrementValue = int.Parse(reader.Value);
return(true);
}
else if (this.IsAttributeMatch(XmlHelper.SequenceNoCache, reader, context))
{
this.CacheSize = NO_CACHE_VALUE;
return(true);
}
else if (this.IsAttributeMatch(XmlHelper.SequenceCache, reader, context))
{
this.CacheSize = int.Parse(reader.Value);
return(true);
}
else if (this.IsAttributeMatch(XmlHelper.SequenceCycling, reader, context))
{
this.Cycling = XmlHelper.ParseEnum <DBSequenceCycling>(reader.Value);
return(true);
}
else if (this.IsAttributeMatch(XmlHelper.SequenceOrdering, reader, context))
{
this.Order = XmlHelper.ParseEnum <DBSequenceOrdering>(reader.Value);
return(true);
}
else
{
return(base.ReadAnAttribute(reader, context));
}
}
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (IsElementMatch(XmlHelper.ColumnList, reader, context))
{
this.PKColumns = new DBColumnList();
this.PKColumns.ReadReferenceXml(reader, context);
return(true);
}
return(base.ReadAnInnerElement(reader, context));
}
protected override bool ReadAnAttribute(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (IsAttributeMatch(XmlHelper.HintOption, reader, context))
{
object val = XmlHelper.ParseEnum <DBTableHint>(reader.Value);
this.Option = (DBTableHint)val;
return(true);
}
return(base.ReadAnAttribute(reader, context));
}
protected override bool ReadAnAttribute(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (this.IsAttributeMatch(XmlHelper.Name, reader, context))
{
this.DBName = reader.Value;
return(true);
}
else
{
return(base.ReadAnAttribute(reader, context));
}
}
protected override bool ReadAnAttribute(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (this.IsAttributeMatch(XmlHelper.CheckExists, reader, context))
{
this.CheckExists = XmlHelper.ParseEnum <DBExistState>(reader.Value);
return(true);
}
else
{
return(base.ReadAnAttribute(reader, context));
}
}
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (this.IsElementMatch(XmlHelper.Assign, reader, context))
{
this.Assignment = context.Factory.Read(XmlHelper.Assign, reader, context) as DBAssign;
return(this.Assignment != null);
}
else
{
return(base.ReadAnInnerElement(reader, context));
}
}
//
// Xml match methods
//
#region public static bool IsAttributeMatch(string attrName, XmlReader reader, XmlReaderContext context)
public static bool IsAttributeMatch(string attrName, XmlReader reader, XmlReaderContext context)
{
if (context.QualifiedAttribute)
{
bool pre = string.Equals(reader.Prefix, context.Prefix, StringComparison.Ordinal);
bool attr = string.Equals(reader.LocalName, attrName, StringComparison.Ordinal);
return(attr && pre);
}
else
{
return(string.Equals(reader.LocalName, attrName));
}
}
/// <summary>
/// Reads the element attribute(s)
/// </summary>
/// <param name="reader"></param>
/// <param name="context"></param>
/// <returns></returns>
protected override bool ReadAnAttribute(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (IsAttributeMatch(XmlHelper.HintOption, reader, context))
{
object parsed = XmlHelper.ParseEnum <DBQueryOption>(reader.Value);
this.Option = (DBQueryOption)parsed;
return(true);
}
else
{
return(base.ReadAnAttribute(reader, context));
}
}
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (this.IsElementMatch("to-return", reader, context))
{
DBClause ret = this.ReadNextInnerClause("to-return", reader, context);
this.ToReturn = ret;
return(true);
}
else
{
return(base.ReadAnInnerElement(reader, context));
}
}
/// <summary>
///
/// </summary>
/// <param name="reader"></param>
/// <param name="context"></param>
/// <returns></returns>
protected override bool ReadAnAttribute(System.Xml.XmlReader reader, XmlReaderContext context)
{
Operator op;
if (reader.LocalName == XmlHelper.Operator)
{
object value = XmlHelper.ParseEnum <Operator>(reader.LocalName);
op = (Operator)value;
this.Operation = op;
}
return(base.ReadAnAttribute(reader, context));
}
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
DBClause c = context.Factory.Read(reader.Name, reader, context);
if (c is DBQuery)
{
this.InnerQuery = (DBQuery)c;
return(true);
}
else
{
throw new InvalidCastException(Errors.CanOnlyUseQueriesInInnerSelects);
}
}
//
// XML Serialization
//
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (this.IsElementMatch(XmlHelper.TableHint, reader, context))
{
DBTableHintOption inner = DBTableHintOption.Empty();
inner.ReadXml(reader, context);
this.Hints.Add(inner);
return(true);
}
else
{
return(base.ReadAnInnerElement(reader, context));
}
}
/// <summary>
/// Reads any inner elements
/// </summary>
/// <param name="reader"></param>
/// <param name="context"></param>
/// <returns></returns>
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (IsElementMatch(XmlHelper.HintParameter, reader, context))
{
reader.Read();
DBClause clause = this.ReadNextInnerClause(XmlHelper.HintParameter, reader, context);
this.Clause = clause;
return(true);
}
else
{
return(base.ReadAnInnerElement(reader, context));
}
}
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
DBClause c = this.ReadNextInnerClause(reader.Name, reader, context);
if (c is DBStatement)
{
this.Select = c as DBStatement;
return(true);
}
else
{
return(false);
}
}
protected override bool ReadAnAttribute(System.Xml.XmlReader reader, XmlReaderContext context)
{
if (IsAttributeMatch(XmlHelper.JoinType, reader, context))
{
string value = reader.Value;
JoinType result;
if (string.IsNullOrEmpty(value) == false && XmlHelper.TryParseEnum <JoinType>(value, out result))
{
this.JoinType = result;
return(true);
}
}
return(base.ReadAnAttribute(reader, context));
}
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
DBClause c = context.Factory.Read(reader.LocalName, reader, context);
if (c != null)
{
this.Groupings.Add(c);
return(true);
}
else
{
return(false);
}
}
protected override bool ReadAnInnerElement(System.Xml.XmlReader reader, XmlReaderContext context)
{
DBClause filter = context.Factory.Read(reader.LocalName, reader, context);
if (filter == null)
{
return(false);
}
else
{
this.Filters = filter;
return(true);
}
}
protected override bool ReadAnAttribute(System.Xml.XmlReader reader, XmlReaderContext context)
{
bool b = true;
if (this.IsAttributeMatch(XmlHelper.Operator, reader, context))
{
this.CompareOperator = XmlHelper.ParseEnum <Compare>(reader.Value);
}
else
{
b = base.ReadAnAttribute(reader, context);
}
return(b);
}
